They can't believe they're not getting yelled at or something so they taunt you.
From the time.com
When road crowds taunt him about drinking Kool-Aid, he turns it into motivation.
From the omaha.com
His humiliation escalated into a worldwide taunt, and he dropped out of school.
From the newscientist.com
Still, that little voice of doubt in the back of my mind can't help but taunt me.
From the freep.com
He doesn't have Rumsfeld's tendency to go around and boast and taunt his critics.
From the edition.cnn.com
It streaks the sky to the west with slanting grey lines that seem to taunt me.
From the telegraph.co.uk
Football fans don't taunt about academics, anyway, and if they do, that's a reach.
From the omaha.com
The terrorists feel confident enough in their position to taunt the United States.
From the washingtontimes.com
As long as participating players do not taunt an opponent, let them celebrate.
From the thestate.com
More examples
Twit: aggravation by deriding or mocking or criticizing
Tease: harass with persistent criticism or carping; "The children teased the new teacher"; "Don't ride me so hard over my failure"; "His fellow workers razzed him when he wore a jacket and tie"
(taunting) derisive: abusing vocally; expressing contempt or ridicule; "derisive laughter"; "a jeering crowd"; "her mocking smile"; "taunting shouts of `coward' and `sissy'"
A taunt is a battle cry, a method in hand-to-hand combat, sarcastic remark, or insult intended to demoralize the recipient, or to anger them and encourage reactionary behaviors without thinking. ...
A scornful or mocking remark; a jeer or mockery; to make fun of (someone); to goad (a person) into responding, often in an aggressive manner
(taunted) teased in a way to encourage a response
(Taunting) Kender have a knack for reading peoples character. This allows them to be able to get under an individuals skin very quickly. An angry kender will harass an enemy with a cutting tongue that usually causes the offender to loose control and rush the kender. ...
(Taunts) Crouching In Corner/Standing on Top Turnbuckle motioning for his opponent to get to their feet before hitting a finishing move. ...